diff --git a/cmd/joj3/conf.go b/cmd/joj3/conf.go
index 3d64aa5..ee48f51 100644
--- a/cmd/joj3/conf.go
+++ b/cmd/joj3/conf.go
@@ -122,8 +122,8 @@ func parseConfFile(path string) (conf Conf, err error) {
 	return
 }
 
-func commitMsgToConf() (conf Conf, err error) {
-	metaConf, err := parseMetaConfFile("meta-conf.json")
+func commitMsgToConf(metaConfPath string) (conf Conf, err error) {
+	metaConf, err := parseMetaConfFile(metaConfPath)
 	if err != nil {
 		return
 	}
diff --git a/cmd/joj3/main.go b/cmd/joj3/main.go
index 8d9f91c..46f1847 100644
--- a/cmd/joj3/main.go
+++ b/cmd/joj3/main.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"encoding/json"
+	"flag"
 	"log/slog"
 	"os"
 
@@ -70,8 +71,15 @@ func outputResult(conf Conf, results []stage.StageResult) error {
 		append(content, []byte("\n")...), 0o600)
 }
 
+var metaConfPath string
+
+func init() {
+	flag.StringVar(&metaConfPath, "meta-conf", "meta-conf.json", "meta config file path")
+}
+
 func mainImpl() error {
-	conf, err := commitMsgToConf()
+	flag.Parse()
+	conf, err := commitMsgToConf(metaConfPath)
 	if err != nil {
 		slog.Error("no conf found", "error", err)
 		return err